136 lines
8.0 KiB
Plaintext
136 lines
8.0 KiB
Plaintext
# This file contains the build configurations of Skia that we use for testing on the CI.
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# These allow a short-form reference for our supported combinations of build features.
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# https://bazel.build/docs/bazelrc#config
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#
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# For most build configurations, we will want to set the --cc_output_directory_tag [1]
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# with a unique identifier per configuration name.
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#
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# By default, Bazel's "unique target BuildConfiguration" [2] incorporates the compilation_mode,
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# the target platform, and some suffixes to avoid Bazel-caused and user-caused conflicts. [3] [4]
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# For example, a default output directory might look like "k8-fastbuild-ST-6a54c1377847".
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# Inside this output directory is a subfolder for the target (e.g. executable) name.
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#
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# Note that multiple definitions of a config are allowed - in this event, they are added together.
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# This is handy if we need to comment on why certain settings are necessary. Otherwise, escaping
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# the trailing newline (and thus having a multi-line definition) is preferred for brevity.
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#
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# Notably, the flags that we turn on and off via //bazel/common_config_settings do not affect
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# the output directory. The output directory is used to store compiled object files (.o files)
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# and generated dependency files (e.g. the output of clang --write-dependencies [5]), so having
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# these be overwritten unnecessarily will slow down incremental rebuilds when switching between
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# building different configurations of the same targets.
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#
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# [1] https://bazel.build/reference/command-line-reference#flag--cc_output_directory_tag
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# [2] https://bazel.build/docs/output_directories#layout-diagram
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# [3] https://github.com/bazelbuild/bazel/blob/ad37a3748c78e0ee903b56366322c70ab8b22187/CODEBASE.md#the-structure-of-the-output-directory
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# [4] https://github.com/bazelbuild/bazel/blob/e0e589658463beb9605030b4820dcc97e6a36f48/src/main/java/com/google/devtools/build/lib/analysis/config/OutputDirectories.java#L198-L236
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# [5] https://clang.llvm.org/docs/ClangCommandLineReference.html#dependency-file-generation
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# =============================================================================
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# Targets (what to build for)
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# =============================================================================
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# --platforms refers to the target for which we are compiling. By setting the target to be a
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# platform which has our own custom constraint_setting and constraint_value
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# (skia_hermetic_toolchain=use_hermetic_toolchain), this causes Bazel to resolve the toolchain
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# to be our hermetic one because our hermetic toolchains have that same constraint set in their
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# target_compatible_with list.
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build:for_linux_x64 --platforms=//bazel/platform:linux_x64_hermetic --cc_output_directory_tag=linux_x64
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build:for_linux_x64_with_rbe --config=for_linux_x64 --config=linux_rbe
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build:for_mac_arm64 --platforms=//bazel/platform:mac_arm64_hermetic --cc_output_directory_tag=mac_arm64
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build:for_mac_x64 --platforms=//bazel/platform:mac_x64_hermetic --cc_output_directory_tag=mac_x64
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# some aliases using more common lingo
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build:for_mac_m1 --config=for_mac_arm64
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build:for_mac_intel --config=for_mac_x64
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# =============================================================================
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# Configurations (what features we want on)
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# =============================================================================
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# These are examples of the syntax to create build configurations. As of May 2022, our
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# Bazel configurations are still being made.
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build:release --compilation_mode=opt
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build:debug --compilation_mode=dbg
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# See also https://github.com/emscripten-core/emsdk/issues/984 for disabling cc_toolchain_resolution
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build:canvaskit_full --noincompatible_enable_cc_toolchain_resolution \
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--include_decoder=gif_decode_codec --include_decoder=jpeg_decode_codec \
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--include_decoder=png_decode_codec --include_decoder=webp_decode_codec \
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\
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--include_encoder=jpeg_encode_codec --include_encoder=png_encode_codec \
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--include_encoder=webp_encode_codec \
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\
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--with_harfbuzz --with_icu --fontmgr_factory=custom_embedded_fontmgr_factory \
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--ck_enable_fonts --ck_enable_embedded_font \
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\
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--disable_tracing --enable_sksl_tracing \
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\
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--ck_enable_canvas_polyfill --ck_enable_skp_serialization --ck_enable_skottie \
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--ck_enable_runtime_effect --ck_enable_matrix_js
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build:ck_webgl2 --with_gl_standard=webgl_standard --gpu_backend=gl_backend \
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--disable_legacy_shader_context
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# CPU build needs legacy shader context otherwise SkPerlinNoiseShader does not render
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build:ck_cpu --enable_sksl --enable_legacy_shader_context
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build:ck_full_webgl2_release --config=canvaskit_full --config=ck_webgl2 --config=release
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build:ck_full_webgl2_debug --config=canvaskit_full --config=ck_webgl2 --config=debug
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build:ck_full_cpu_release --config=canvaskit_full --config=ck_cpu --config=release
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build:ck_full_cpu_debug --config=canvaskit_full --config=ck_cpu --config=debug
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# TODO(kjlubick) We should be able to configure testing on Chrome or Firefox with this.
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build:ck_full_webgl2_release_chrome --config=ck_full_webgl2_release
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build:ck_full_cpu_release_chrome --config=ck_full_cpu_release
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# We only want to enforce IWYU on debug builds because we have some things that are only
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# necessary to include in debug mode (e.g. SkDEBUGCODE), but very rarely something that is
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# only needed in release mode. Thus our C++ debug includes should be a superset of the
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# release includes.
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build:enforce_iwyu --features=skia_enforce_iwyu --cc_output_directory_tag=iwyu \
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--compilation_mode=dbg --keep_going \
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--with_gl_standard=gl_standard --gpu_backend=gl_backend \
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--gpu_backend=vulkan_backend --gpu_backend=dawn_backend \
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--enable_gpu_test_utils --force_cpu_tests \
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--include_fontmgr=custom_directory_fontmgr --include_fontmgr=custom_embedded_fontmgr \
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--include_fontmgr=custom_empty_fontmgr --fontmgr_factory=custom_directory_fontmgr_factory \
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--include_decoder=avif_decode_codec --include_decoder=gif_decode_codec \
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--include_decoder=jpeg_decode_codec --include_decoder=jxl_decode_codec \
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--include_decoder=png_decode_codec --include_decoder=raw_decode_codec \
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--include_decoder=webp_decode_codec \
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--include_encoder=jpeg_encode_codec --include_encoder=png_encode_codec \
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--include_encoder=webp_encode_codec \
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--with_harfbuzz --with_icu \
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--enable_sksl_tracing \
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--enable_svg_canvas --enable_pdf_backend \
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--compile_generated_cpp_files_for_headers
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build:use_linux_rbe_pool --config=linux_rbe --remote_download_minimal
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build:cpu_only --cc_output_directory_tag=cpu_tests
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build:cpu_only_debug --config=cpu --config=debug
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build:cpu_only_release --config=cpu --config=release
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build:cpu_only_debug_rbe --config=cpu_only_debug --config=use_linux_rbe_pool
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build:cpu_only_release_rbe --config=cpu_only_release --config=use_linux_rbe_pool
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build:gl_ganesh --enable_gpu_test_utils --gpu_backend=gl_backend \
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--cc_output_directory_tag=gl_ganesh
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# We need to have this environment variable set when testing our Ganesh GL backend on Unix,
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# otherwise, we get "Failed to open X display." and connect make a GL context for testing.
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build:gl_ganesh --action_env=DISPLAY=:1
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build:vulkan_ganesh --enable_gpu_test_utils --gpu_backend=vulkan_backend \
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--cc_output_directory_tag=vulkan_ganesh
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build:dawn_ganesh --enable_gpu_test_utils --gpu_backend=dawn_backend \
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--cc_output_directory_tag=dawn_ganesh
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# Short-hand aliases
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build:cpu --config=cpu_only
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build:gl --config=gl_ganesh
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build:vk --config=vulkan_ganesh
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build:dawn --config=dawn_ganesh
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# Layering check does not work without sandboxing because the system headers are not in the
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# right spot and so they are not found.
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build:no_sandbox --spawn_strategy=local --features=-layering_check |